D-Link DSL-6740U User Manual page 26

Section 3 - Configuration
STEP 4: Using the Setup Wizard - For Wireless LAN
Settings
Click the Enable Your Wireless Network box to allow the router to
operate in the wireless environment.
The SSID identifies members of the Service Set. Accept the default name
or change it to something else. If the default SSID is changed, all other
devices on the wireless network must use the same SSID.
Set security Mode, select this option if your wireless adapters support
Click Next to go to the next window and complete the Setup Wizard.
D-Link DSL-6740U User Manual 26